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859天前import java.io.*; |
/** |
* 统计文本文件的行数，单词书，字节数 |
*/ |
class WordCount { |
public static int words = 1; |
public static int lines = 1; |
public static int chars = 0; |
public static void wc(InputStream f) throws IOException { |
int c = 0; |
boolean lastNotWhite = false; |
String whiteSpace = " \t\n\r"; |
while ((c = f.read()) != -1) { |
chars++; |
if (c == '\n') { |
lines++; |
} |
if (whiteSpace.indexOf(c) != -1) { |
if (lastNotWhite) { |
words++; |
} |
lastNotWhite = false; |
} else { |
lastNotWhite = true; |
} |
} |
} |
public static void main(String args[]) { |
FileInputStream f; |
try { |
if (args.length == 0) { // We're working with stdin |
f = new FileInputStream("c:/123.txt"); |
wc(f); |
} else { // We're working with a list of files |
for (int i = 0; i < args.length; i++) { |
f = new FileInputStream(args[i]); |
wc(f); |
} |
} |
} catch (IOException e) { |
return; |
} |
System.out.println(lines + "行 " + words + "个单词 " + chars + "个字节"); |
} |
} |
